First v5.19 rc pull request

Three minor bug fixes:
 
 - qedr not setting the QP timeout properly toward userspace
 
 - Memory leak on error path in ib_cm
 
 - Divide by 0 in RDMA interrupt moderation
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "Three minor bug fixes:

   - qedr not setting the QP timeout properly toward userspace

   - Memory leak on error path in ib_cm

   - Divide by 0 in RDMA interrupt moderation"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  linux/dim: Fix divide by 0 in RDMA DIM
  RDMA/cm: Fix memory leak in ib_cm_insert_listen
  RDMA/qedr: Fix reporting QP timeout attribute
This commit is contained in:
Linus Torvalds 2022-06-30 10:03:22 -07:00
commit 1a0e93df1e
4 changed files with 8 additions and 3 deletions

View File

@ -1252,8 +1252,10 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device,
return ERR_CAST(cm_id_priv);
err = cm_init_listen(cm_id_priv, service_id, 0);
if (err)
if (err) {
ib_destroy_cm_id(&cm_id_priv->id);
return ERR_PTR(err);
}
spin_lock_irq(&cm_id_priv->lock);
listen_id_priv = cm_insert_listen(cm_id_priv, cm_handler);

View File

@ -418,6 +418,7 @@ struct qedr_qp {
u32 sq_psn;
u32 qkey;
u32 dest_qp_num;
u8 timeout;
/* Relevant to qps created from kernel space only (ULPs) */
u8 prev_wqe_size;

View File

@ -2613,6 +2613,8 @@ int qedr_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
1 << max_t(int, attr->timeout - 8, 0);
else
qp_params.ack_timeout = 0;
qp->timeout = attr->timeout;
}
if (attr_mask & IB_QP_RETRY_CNT) {
@ -2772,7 +2774,7 @@ int qedr_query_qp(struct ib_qp *ibqp,
rdma_ah_set_dgid_raw(&qp_attr->ah_attr, &params.dgid.bytes[0]);
rdma_ah_set_port_num(&qp_attr->ah_attr, 1);
rdma_ah_set_sl(&qp_attr->ah_attr, 0);
qp_attr->timeout = params.timeout;
qp_attr->timeout = qp->timeout;
qp_attr->rnr_retry = params.rnr_retry;
qp_attr->retry_cnt = params.retry_cnt;
qp_attr->min_rnr_timer = params.min_rnr_nak_timer;

View File

@ -21,7 +21,7 @@
* We consider 10% difference as significant.
*/
#define IS_SIGNIFICANT_DIFF(val, ref) \
(((100UL * abs((val) - (ref))) / (ref)) > 10)
((ref) && (((100UL * abs((val) - (ref))) / (ref)) > 10))
/*
* Calculate the gap between two values.